It describes the parts of the system and its principle. As the characteristics of the solar panel, battery and LED are the key to the system, we analyze them carefully.
2
系统一般由太阳能电池板、蓄电池、控制器、DC-AC转变器和照明灯具等组成。
Systems are generally solar panels, batteries, controller, DC-AC change devices and lamps and so on.
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